NSN 1650-01-178-4169 · NIIN 011784169 · Part number 254874
Raytheon Company Dba Raytheon Co · FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components · FSG 16 — Aircraft Components and Accessories · CAGE 3B150
Government record, cited
NSN 1650-01-178-4169 — this item is cataloged by the U.S. Government under National Stock Number 1650-01-178-4169. Manufacturer of record part number: 254874.
Also searched as1650-01-178-4169 ·
1650011784169 ·
NIIN 011784169 ·
01-178-4169 ·
FSC 1650 Aircraft Hydraulic, Vacuum, and De-icing System Components · CAGE 3B150 · 254874
Manufacturer of record: Raytheon Company Dba Raytheon Co
Identification
NSN: 1650-01-178-4169
NIIN: 011784169
FSC: 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: 254874
Manufacturer: Raytheon Company Dba Raytheon Co
General Description
The Piston,hydraulic Accumulator, cataloged under National Stock Number 1650-01-178-4169, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Raytheon Company Dba Raytheon Co. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1650-01-178-4169
Primary Part Number
254874
Item Name
Piston,hydraulic Accumulator
FSC / FSG
1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components
Other items in FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1650-00-000-0127
1650-00-000-0127 · Item name not on file
1650-00-000-0128
1650-00-000-0128 · Item name not on file
1650-00-000-0130
1650-00-000-0130 · Item name not on file
1650-00-000-0131
ROD,PISTON,LINEAR ACTUATING CYLI
1650-00-000-0151
SWIVEL JOINT HYDRAU
1650-00-000-0152
SWIVEL JOINT,HYDRAULIC,AIRCRAFT
1650-00-001-1732
SPACER YOKE,ADJUST
1650-00-001-1734
1650-00-001-1734 · Item name not on file
Frequently Asked Questions
What is NSN 1650-01-178-4169?
NSN 1650-01-178-4169 is a Piston,hydraulic Accumulator, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
What part numbers are listed for NSN 1650-01-178-4169?
NSN 1650-01-178-4169 has 2 manufacturer part numbers on file: 254874 (Raytheon Company), 254874 (Raytheon Company Dba Raytheon Co).
What are the specifications of 254874?
Key specifications for 254874: Special Features: STAINLESS STEEL 416 PER ASTM A582,COND A; PASSIVATE PER QQ-P-35,TYPE 4; HEAT TREAT TO ROCKWELL C40-45; 0.609 IN. DIA,0.687 IN. LG; BORE DIA 0.376 IN.; BEARING SEAT 0.125 IN. FROM FIRST END,0.437 IN. DIA,0.125 IN. WIDE IN. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1650-01-178-4169 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 1650-01-178-4169?
NSN 1650-01-178-4169 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.